| Motor Vehicles | Active Travel |
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The biannual survey is carried out by Scotland's National Monitoring Framework, on a Wednesday and the following Thursday normally toward the end of May and September. It tracks, on selected roads in settlements (or locations) for each of the 32 local authorities, nine modes of transport, including (passenger) cars and the two main modes of active travel – walking and cycling.
Where a survey cannot be carried out on the survey dates data is typically collected on the same weekdays the following week. In a few instances there is a delay of several weeks; while this may introduce seasonality differences especially for active travel, to allow comparison over time for each location, delayed counts are included in the analysis.
Data feeding into the analysis presented may be accessed via Cycling Scotland's Active Travel Open Data Portal.
| Survey Period | Survey Months | No of Settlements | Surveyed on Date | Partial Survey | Delayed Survey |
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| Spring 2017 | May | 9 | 9 |
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| Autumn 2017 | Sep | 19 | 19 |
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| Spring 2018 | May | 19 | 19 |
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| Autumn 2018 | Sep | 29 | 29 |
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| Spring 2019 | May | 31 | 31 |
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| Autumn 2019 | Sep, Oct | 31 | 30 | 1 |
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| Spring 2020 | May, Jul | 32 | 30 | 1 | 1 |
| Autumn 2020 | Sep | 32 | 32 |
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| Spring 2021 | May, Jun | 75 | 72 | 3 |
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| Autumn 2021 | Sep, Oct | 75 | 72 | 1 | 2 |
| Spring 2022 | May, Jun | 64 | 59 | 3 | 2 |
| Autumn 2022 | Sep | 65 | 65 |
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| Spring 2023 | May, Jun | 65 | 64 | 1 |
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| Autumn 2023 | Sep, Oct | 65 | 61 | 2 | 2 |